Re: #qmx SSB Firmware beta 1_01_004 release
#qmx
The solution is simple, upgrade to Linux, Jan.
Diarmuid EI4LF
[email protected]> wrote:
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Diarmuid ? Briain
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#143742
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Re: #qmx SSB Firmware beta 1_01_004 release
#qmx
Hi Jan
It's done on QDX already and I intend to do it on QMX too. It only works on
Linux. On Windows, the OS ignores the name you give it and always gets
called COM4, COM5 etc. What happens on Mac
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Hans Summers
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#143741
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Re: #qmx SSB Firmware beta 1_01_004 release
#qmx
Is it at all possible to set up virtual COM ports so that they will have a
consistent name when (re)connecting? I've found that under MacOSX, the name
changes every time you plug it in. This makes it
By
Jan Szumiec
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#143740
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Re: #qmx SSB Firmware beta 1_01_004 release
#qmx
Calibration of QMX+ completed.? Results below:
(three QMXs to be tested)
Some phases stopped early
160m? 1100
80m? ?1300
60m? 2500
40m 2600
30m 2600
20m 2500
17m 700
15m 700
12m 1500
10m 2300
6m
By
Chris KB1NLW
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#143739
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Re: QMX build troubleshooting
What would be the symptoms if this component was failed?
I set the QMX aside for now to take a break. Troubleshooting this thing all day made me tired. Just to know for when I pick it back up, in case
By
f4jvu@...
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#143738
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Re: #qmx SSB Firmware beta 1_01_004 release
#qmx
Hi Chris
I would call it Beta until the SSB phase distortion calibration is more
Please can you try it in this new beta version and let me know what you
find?
73 Hans
By
Hans Summers
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#143737
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Re: #qmx SSB Firmware beta 1_01_004 release
#qmx
I would call it Beta until the SSB phase distortion calibration is more robust.
Chris
By
Chris KB1NLW
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#143736
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Re: QMX build troubleshooting
Glad you found the culprit, it¡¯s possible that sharp edges in the core damaged the insulation on the wire. The component most as risk from that short is Q507.
73 Nick G0OQK
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Nick Garrod
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#143735
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Re: QMX build troubleshooting
Yes!! That fixed it. It powers on now :))) Hopefully the high current didn't fry anything else.
I wonder what happened with the transformer.. I wound one exactly the same for QDX the other day and it
By
f4jvu@...
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#143734
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QMX+ SSB Calibration
Yesterday I decided to venture into the latest beta release of QMX SSB. I'm nearly 100% CW op, so this was mostly done out of curiosity. I'm a big fan of Hans and QRPLab, and have been impressed with
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Randy
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#143733
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#qmx SSB Firmware beta 1_01_004 release
#qmx
Hi all
I updated the SSB beta testing webpage of the brave, here:
https://qrp-labs.com/qmxp/ssbbeta.html and released firmware version
1_01_004 to it. I did not solve problems with SSB phase
By
Hans Summers
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#143732
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Re: QMX build troubleshooting
Removed one leg from L502 and still had short to ground on both primary and secondary of the T501. I removed it and currently rewinding.
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f4jvu@...
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#143731
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Re: FT8CN Getting it to Work!
I feel the same.? With QRP I find it necessary to switch transmit slots often (since there's always someone who can't hear you and chooses to transmit in your slot).? And finding a new slot in FT8CN
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Mike KK7ER
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#143730
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Re: QMX+ with WA3TFS amplifier
Jamie, glad to hear? that all went well.
If I remember correctly, you installed C17 with a switch to bypass it.? Whenever C17 is switched inline, RF detection will be active and work without a PTT
By
AE5JE - Jim
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#143729
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Re: QMX build troubleshooting
That should have read ¡®short between primary AND secondary of T501¡¯
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Nick Garrod
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#143728
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Re: QMX build troubleshooting
A short between the primary or secondary of T501 or Q507 is shorted and the fault is elsewhere. Lifting one end of L502 and measuring continuity to ground, as suggested will point you in the correct
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Nick Garrod
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#143727
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Re: FT8CN Getting it to Work!
Nate,
I have used an Android phone with FT8CN and a QDX for about a dozen POTA activations. I'd call it workable, but not really enjoyable. But I'm not about to lug a laptop or tablet into the
By
Jared N7MAW
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#143726
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Re: Release of version 1.2 of ABS solution for QMX+ (Automatic internal antenna tuner, internal battery and internal speaker with audio amp)
#ABS
#ATU
#PSU
#QMXplus
I¡¯d also like a full kit if/when you do an arcing group buy. My email is good on QRZ.
BrianB N6CVO
N6CVO@arr¡..
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BrianB
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#143725
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Re: FS: QCX kit unbuilt rev 5 pcb
What band is this?
By
Bruce N9JCV
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#143724
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Re: QMX build troubleshooting
L502 has continuity to ground. I've removed the finals too. The short is still there on 12v.
By
f4jvu@...
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#143723
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